Pith Number

pith:ROAHBRO6

pith:2000:ROAHBRO6FWMEKGPZO6L3ACRPSV

not attested not anchored not stored refs pending

Establishing The GZK Cutoff With Ultra High Energy Tau Neutrinos

Antoine Letessier-Selvon

arxiv:astro-ph/0009444 v1 · 2000-09-27 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROAHBRO6FWMEKGPZO6L3ACRPSV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:17:12.514886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b8070c5de2d984519f97797b00a2f95408483dfb0b83cae8f24cbd698951b22

Aliases

arxiv: astro-ph/0009444 · arxiv_version: astro-ph/0009444v1 · doi: 10.48550/arxiv.astro-ph/0009444 · pith_short_12: ROAHBRO6FWME · pith_short_16: ROAHBRO6FWMEKGPZ · pith_short_8: ROAHBRO6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ROAHBRO6FWMEKGPZO6L3ACRPSV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8b8070c5de2d984519f97797b00a2f95408483dfb0b83cae8f24cbd698951b22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbbc2a8f68dbd5739305f9dd99e4fc801c677e9707916b58e102cac96f7c45bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-27T15:57:39Z",
    "title_canon_sha256": "0c3d5e07905293924b8d7034abdb679f11da36168a7dc5d6851d49ccd1124c99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009444",
    "kind": "arxiv",
    "version": 1
  }
}